MICHELSEN, W.; ALBECK, G. Supplement to Grundtvig-Studier 1972. Grundtvig-Studier, [S. l.], v. 26, n. 1, p. 236–237, 1973. DOI: 10.7146/grs.v26i1.15504. Disponível em: https://tidsskrift.dk/grs/article/view/15504. Acesso em: 25 maj. 2024.